Mason Investment Advisory Services Inc
- Regulatory AUM
- $15.7B
- Discretionary
- $14.6B
- Clients
- 1,147
- Avg AUM / client
- $13.7M
- Accounts
- 1,147
- Employees
- 72
AUM over time
Annual snapshots from Form ADV filings · as of Mar 27, 2026
Asset allocation (SMA assets by investment type)
as of Mar 27, 2026Share of SMA assets by investment vehicle type, as filed in Form ADV Item 5.K. Dollar figures are percentages applied to total regulatory AUM.
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Individuals (non-high net worth) | 304 | $118M | 0.75% |
| High net worth individuals | 759 | $6.8B | 43.7% |
| Pension and profit sharing plans | 5 | $420M | 2.68% |
| Charitable organizations | 71 | $5.4B | 34.7% |
| Corporations and other businesses | 8 | $2.8B | 18.2% |
Nonprofit clients
Charities that reported this firm as a top-paid contractor (investment services) on Form 990.
| Charity | Location | Period |
|---|---|---|
| Permian Basin Area Foundation EIN 752295008 | Midland, TX | 12/31/2024 |
| Harrison County Community Foundation Support Organ Inc EIN 352100908 | Corydon, IN | 12/31/2024 |
| Western Colorado Community Foundation Inc EIN 841354894 | Grand Jct, CO | 12/31/2024 |
| Mid Shore Community Foundation Inc EIN 521782373 | Easton, MD | 06/30/2024 |
People (34)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Mason, William, Noyes | Chairman | Jul 1982 (44y) | ≈ 56.25% – 100% via Mason International, Inc. | |
| Scott Stanley George | President | Jan 1999 (28y) | Less than 5% | |
| Christopher Lee Schreiner | Chief Operating Officer | CFP | Jan 2001 (26y) | Less than 5% |
| Delaney, John, Murphy | Chief Compliance Officer | Oct 2023 (3y) | Less than 5% | |
| Richard Stanley Baldwin | Registered representative | Aug 2000 (26y) | ||
| David Walter Odiorne | Registered representative | CFP Chartered Financial Consultant | Jan 2001 (26y) | |
| David Robert Gilbert | Registered representative | CFP | Jan 2002 (25y) | |
| Thomas Rolfe Pudner | Registered representative | CFP | May 2006 (20y) | |
| Brian Michael Kelley | Registered representative | CFP | Dec 2006 (20y) | |
| Allison Lori Berlenbach Gormier | Registered representative | CFP | Jul 2008 (18y) | |
| David Charles Engler | Registered representative | CFP | Jan 2009 (18y) | |
| Sharon L Kampner | Registered representative | CFP | Jul 2011 (15y) | |
| Gregorio Torres Druehl | Registered representative | CFA | Oct 2011 (15y) | |
| Barbara Michelini Joyce | Registered representative | CFP | Mar 2015 (11y) | |
| Eric Charles Rife | Registered representative | Oct 2015 (11y) | ||
| Claudelle Gehy | Registered representative | Oct 2016 (10y) | ||
| William Michael Courson | Registered representative | Jul 2018 (8y) | ||
| Randon Bruce Tagg | Registered representative | Nov 2020 (6y) | ||
| Sarah E Baker | Registered representative | CFP | Apr 2021 (5y) | |
| Blaine William Homan | Registered representative | CFP | Sep 2022 (4y) | |
| Loizos Sergios Kapnisi | Registered representative | Sep 2022 (4y) | ||
| William Jesse Dwenger | Registered representative | CFP | Sep 2022 (4y) | |
| Daniel Robert Corno | Registered representative | CFP | Jan 2023 (4y) | |
| Mark Alexander Haynes | Registered representative | CFP | May 2023 (3y) | |
| Matthew Jon Krause | Registered representative | CFP | May 2023 (3y) | |
| Caleb James Fry | Registered representative | CFP | Aug 2023 (3y) | |
| Shayna Amalie Lebowitz | Registered representative | CFP | Sep 2023 (3y) | |
| Derek Lesnak | Registered representative | CFA | Mar 2024 (2y) | |
| Keenan Malcolm Bailey | Registered representative | Apr 2024 (2y) | ||
| Devin Scott Johnson | Registered representative | CFP | Jul 2024 (2y) | |
| Stefan Nicholas Patchan | Registered representative | CFA | Nov 2024 (2y) | |
| Jason M Hicks | Registered representative | CFA | Jul 2025 (1y) | |
| Peter Bryan Kokolus | Registered representative | CFA | May 2026 (0y) | |
| Sarah Grace Avery | Registered representative | Jun 2026 (0y) |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Mason International, Inc. | Parent Corporation | Jul 1982 | A | 75% or more |
Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.
Estimated effective ownership (look-through of filed bands):
- Mason, William, Noyes: 75% – 100% of Mason International, Inc. × 75% – 100% direct ≈ 56.25% – 100% of the firm
Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.
Foundations & charities (4)
| Organization | Type | Assets | As of |
|---|---|---|---|
| Permian Basin Area Foundation | Public charity | $331M | 12/31/2024 |
| Harrison County Community Foundation Support Organ Inc | Public charity | $274M | 12/31/2024 |
| Western Colorado Community Foundation Inc | Public charity | $187M | 12/31/2024 |
| Mid Shore Community Foundation Inc | Public charity | $137M | 06/30/2024 |
From IRS Form 990 investment-management-fee disclosures.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/27/2026 | 1.22 MB | View · PDF · Source ↗ |
Archived copies of the firm's regulatory filings, versioned by content hash.
Disciplinary disclosures
Allegations: THE SEC ALLEGED THAT AT TIMES DURING THE PERIOD FROM FEBRUARY 1, 2014, THROUGH SEPTEMBER 30, 2016, MIAS PURCHASED, RECOMMENDED, OR HELD FOR CERTAIN ADVISORY CLIENTS' MUTUAL FUND SHARE CLASSES THAT CHARGED 12B-1 FEES WHEN SHARES OF THE SAME FUNDS WITHOUT 12B-1 FEES WERE AVAILABLE. MIAS'S AFFILIATE BROKER-DEALER, MASON SECURITIES, INC. ("MSI") RECEIVED 12B-1 FEE REVENUE IN CONNECTION WITH THESE INVESTMENTS, A SMALL PORTION OF WHICH WAS THEN PAID TO CERTAIN MIAS REPRESENTATIVES IN THEIR CAPACITY AS REGISTERED REPRESENTATIVES OF MSI. THE SEC ALLEGES THAT MIAS' HOLDING OF 12B-1 FEE PAYING SHARES FOR CLIENTS BREACHED ITS FIDUCIARY DUTY; FAILED TO ADEQUATELY DISCLOSE IN ITS FORM ADV THE CONFLICT OF INTEREST CREATED BY MASON SECURITIES RECEIVING THE 12B-1 REVENUE; AND FAILED TO ADOPT ADEQUATE POLICIES AND PROCEDURES DESIGNED TO PREVENT VIOLATIONS OF THE SECURITIES LAW IN CONNECTION WITH MUTUAL FUND SHARE CLASS SELECTION PRACTICES. Status: Final Sanction Detail: TOTAL PENALTY: $975,057.78 Summary: AS THE SEC ACKNOWLEDGES IN THE ORDER, DURING THIS TIME, MIAS ACTIVELY, AND ON ITS OWN INITIATIVE, UNDERTOOK TO ELIMINATE THE USE OF 12B-1 FEE PAYING MUTUAL FUND SHARE CLASSES BY: (I) INITIATING A FIRM-WIDE EFFORT IN APRIL 2016, IN WHICH THE VAST MAJORITY OF MIAS'S CLIENT WERE TRANSITIONED FROM 12B-1 FEE PAYING SHARE CLASSES TO NON-12B-1-FEE-PAYING SHARE CLASSES; AND (II) DIMINISHING THE USE OF 12B-1 FEE PAYING SHARE CLASSES, SUCH THAT MIAS CEASED PURCHASING MUTUAL FUND SHARE CLASSES THAT CHARGED 12B-1 FEES BY AUGUST 2016. MIAS HAS EVALUATED IF ANY OTHER CLIENTS NEEDED TO BE CONVERTED TO LOWER-COST MUTUAL FUND SHARE CLASSES; REVISED THE FIRM'S POLICIES AND PROCEDURES; AND PAID ALL OF THE DISGORGEMENT AND PREJUDGMENT INTEREST TO AFFECTED CLIENTS, WHICH IT COMPLETED IN DECEMBER 2020 IN ANTICIPATION OF THE ENTRY OF THE ORDER.
Allegations: BEGINNING DECEMBER 31, 2019, THROUGH SEPT. 30, 2023, THE FIRM HAD INVESTMENT DISCRETION OVER AT LEAST $100 MILLION OF REPORTABLE SECURITIES AND FAILED TO FILE QUARTERLY FORMS 13F. Status: Final Sanction Detail: THE FIRM WAS ORDERED TO PAY A CIVIL MONETARY PENALTY OF $525,000. IT WAS PAID ON OR ABOUT 10/7/2024. Summary: THE FIRM EXERCISED INVESTMENT DISCRETION OVER SECTION 13(F) SECURITIES OF AT LEAST $100 MILLION BUT FAILED TO FILE THE QUARTERLY FORMS 13F FOR THE QUARTERS BEGINNING DECEMBER 31, 2019, THROUGH SEPT 30, 2023. IN SETTLING THE MATTER, MASON AGREED TO THE ENTRY OF A CEASE AND DESIST ORDER, A CENSURE, AND A CIVIL MONETARY PENALTY OF $525,000. IN AGREEING TO SETTLE THIS MATTER, THE SEC ALSO CONSIDERED CERTAIN REMEDIAL ACTS PROMPTLY UNDERTAKEN BY MASON.
Disclosure text reproduced verbatim from the firm's own Form ADV filings.
How they charge
- • Percentage of assets under management
- • Fixed fees
Services
- • Financial planning services
- • Portfolio management for individuals/small businesses
- • Portfolio management for businesses/institutional clients
- • Selection of other advisers
Custody
Reported custodians
- Pershing $13.2B (84% of AUM) Mar 2026
- TD Ameritrade $7.1B (71% of AUM) Feb 2024
Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).
Firm reports having custody of client funds or securities (Item 9.A).
Source
All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Mar 27, 2026.
View current Form ADV (SEC/IAPD) ↗